Add retry package (#6)

Author: name212

hack/run_tests.sh

@@ -25,9 +25,9 @@ run_dir="$(pwd)"
 packages="$(go list ./... | grep -v /validation/)"
 prefix="$(grep -oP 'module .*$' go.mod | sed 's|module ||')"
 
-echo "Found packages: $packages in $run_dir with module $prefix"
+echo "Found packages: ${packages[@]} in $run_dir with module $prefix"
 
-for p in "$packages"; do
+while IFS= read -r p; do
   pkg_dir="${p#$prefix}"
   if [ -z "$pkg_dir" ]; then
     echo "Package $p cannot have dir after trim $prefix"
@@ -37,4 +37,4 @@ for p in "$packages"; do
   echo "Run tests in $full_pkg_path"
   cd "$full_pkg_path"
   echo "test -v -p 1 $run_tests" | xargs go
-done
+done <<< "$packages"

pkg/retry/globals.go

@@ -0,0 +1,59 @@
+// Copyright 2025 Flant JSC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package retry
+
+import (
+	"github.com/name212/govalue"
+
+	"github.com/deckhouse/lib-dhctl/pkg/log"
+)
+
+type GlobalInterruptChecker func() bool
+
+func SetGlobalInterruptChecker(checker GlobalInterruptChecker) {
+	if govalue.IsNil(checker) {
+		return
+	}
+
+	globalInterruptChecker = checker
+}
+
+// SetGlobalDefaultLogger
+// Deprecated:
+// global logger used for backward compatibility in dhctl with
+// deprecated functions NewLoop and NewSilentLoop
+// Please use NewLoopWithParams and NewSilentLoopWithParams
+func SetGlobalDefaultLogger(logger log.Logger) {
+	if govalue.IsNil(logger) {
+		return
+	}
+
+	defaultLogger = logger
+}
+
+var (
+	globalInterruptChecker GlobalInterruptChecker = func() bool { return false }
+	defaultLogger          log.Logger             = log.NewDummyLogger(false)
+	silentLogger                                  = log.NewSilentLogger()
+)
+
+func getDefaultSilentLogger() *log.SilentLogger {
+	switch defaultLogger.(type) {
+	case *log.TeeLogger:
+		return defaultLogger.SilentLogger()
+	default:
+		return silentLogger
+	}
+}